Abnormal detector of electric rotating machinery

Application Number: 00108970
Application Date: 2000.05.24
Publication Number: 1274849
Publication Date: 2000.11.29
Priority Information: 1999/5/24 JP 143605/1999
International: G01R31/02;G01R31/34
Applicant(s) Name: Mitsubishi Electric Corp.
Inventor(s) Name: Kaneda Kichiji;Tsurimoto Takao;Urakawa Nobuo
Patent Agency Code: 11038
Patent Agent: wang sibeng
Abstract An abnormality detecting apparatus of a rotating electrical machine includes partial discharge detectors, a switching unit for selecting a at least a signal from the partial discharge detectors, a partial discharge measurement section for measuring the selected signal, a computer for selecting the respective partial discharge detectors or sequentially selecting respective partial discharge detectors for measurement, noise rejection, insulation diagnosis judgement, and data management for the respective discharge detectors, and for displaying measurement results, and a control section for controlling the switching unit and the partial discharge measurement section through the computer.